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01. Alvarez, Juan
02. Burkholder, Andrew
03. Dover, Jordan
04. Hartranft, Ethan
05. Keath, Brent
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. Pfautz, Olivia
07
. Roth, Arielle
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. Smith, Scott
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. Trinh, Kevin
10. Vang, Lue
11. Weaver, Amy
12. Weaver, Evan
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Lab 13 - Ballistic Pendulum Lab
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Lab 13 - Ballistics Pendulum Lab
Vb = (2gh)^(1/2)((Mb + Mp)/Mb)
h = 0.02m
Mb = 0.0076kg
Mp = 0.00865kg
d = 2.273m
Vb = (2*9.8*0.02)^(1/2)((0.0076 + 0.00865)/(0.0076)) = 7.75m/s
Kinematic Proof:
v
2
= v
o
2
+ 2a∆x
v = √(v
o
2
+ 2a∆x)
v = √(2(9.8)(0.87))
v = 4.129 m/s (Just dropping the ball)
v = v
o
+ at
∆v/a = t
t = 4.129/9.8
t = 0.421 seconds to hit the ground
∆x = v
o
t + 1/2at
2
(2∆x)/(t
2
) = a
2(2.273)/(0.421
2
) = a
a = 25.649m/s
2
v = √(v
o
2
+ 2a∆x)
v =√(0
2
+ 2(25.649)(2.273))
v = 10.798m/s
28.227% error
v = dx/t
v = 2.273/0.421 seconds
v = 5.399 m/s
43.544% error
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Vb = (2gh)^(1/2)((Mb + Mp)/Mb)
h = 0.02m
Mb = 0.0076kg
Mp = 0.00865kg
d = 2.273m
Vb = (2*9.8*0.02)^(1/2)((0.0076 + 0.00865)/(0.0076)) = 7.75m/s
Kinematic Proof:
v2 = vo2 + 2a∆x
v = √(vo2 + 2a∆x)
v = √(2(9.8)(0.87))
v = 4.129 m/s (Just dropping the ball)
v = vo + at
∆v/a = t
t = 4.129/9.8
t = 0.421 seconds to hit the ground
∆x = vot + 1/2at2
(2∆x)/(t2) = a
2(2.273)/(0.4212) = a
a = 25.649m/s2
v = √(vo2 + 2a∆x)
v =√(02 + 2(25.649)(2.273))
v = 10.798m/s
28.227% error
v = dx/t
v = 2.273/0.421 seconds
v = 5.399 m/s
43.544% error